.login {
  background: url(http://dabian.beihangsoft.cn/static/login-bg.jpg);
  background-size: cover;
  .banner {
    width: 970px;
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    overflow: hidden;
    img {
      float: left;
    }
  }

  .row_center {
    width: 720px;
    height: 100%;
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
  }

  .col_center {
    height: 356px;
    top: 0;
    bottom: 0;
    margin: auto;
    position: absolute;
    background-color: #FFF;
    border-radius: 10px;
    overflow: hidden;
  }
  .main .main-title {
    margin-bottom: 0;
    font-size: 27px;
    font-family: "Open Sans", sans-serif;
    color: rgb(51, 51, 51);
    font-weight: normal;
  }
  .login-left {
    display: inline-block;
    width: 50%;
    float: left;
    box-sizing: border-box;
    height: 100%;
    padding: 20px;
    img {
      width: 100%;
      height: 100%;
    }
  }
  .login-right {
    width: 50%;
    display: inline-block;
    float: left;
    box-sizing: border-box;
  }
}